Sejeong (세정) is a South Korean singer-songwriter and actress signed under Jellyfish Entertainment. After coming into prominence as the runner-up on the hit idol competition show “Produce 101,” she debuted in 2016 as a solo artist and member of now-disbanded girl groups I.O.I and Gugudan. In 2017, she was cast in her first leading drama role in KBS’s “School 2017.”
The Moon Flows in This River
Park Dal-yi · (12 episodes)
2025
Brewing Love
Chae Yong-ju · (12 episodes)
2024
Universe Ticket
Unicorn · (10 episodes)
2023
MONSTOP Travel Agency
self (KIM SEJEONG) · (1 episode)
2023
The Seasons
Self · (1 episode)
2023
Office Romance Recipe
Rani · (4 episodes)
2022
SEOUL FESTA 2022 K-POP SUPER LIVE
MC
2022
Today's Webtoon
Oh Ma-Eum · (16 episodes)
2022
Business Proposal
Shin Ha-ri · (12 episodes)
2022
Lee Mujin Service
Guest · (1 episode)
2022
I.5.I - Yes, I Love It!
Sejeong
2021
Hurrah for Independence
Self · (1 episode)
2021
The Uncanny Return
(1 episode)
2021
The Uncanny Counter
Do Ha-na · (28 episodes)
2020
IU's Palette
Self - Guest · (1 episode)
2020
Clean Cam
(5 episodes)
2020
I Wanna Hear Your Song
Hong Yi-Young · (32 episodes)
2019
Where Is My Home
(1 episode)
2019
Prison Life of Fools
Herself · (2 episodes)
2019
Galileo: Awakened Universe
(9 episodes)
2018
Idol Room
Herself · (2 episodes)
2018
Busted!
Kim Se-jeong · (28 episodes)
2018
Amazing Saturday
Self · (2 episodes)
2018
마이박스
(1 episode)
2018
Baek Jong-won's Alley Restaurant
Self · (12 episodes)
2018
Salty Tour
Self (Sejeong) · (5 episodes)
2017
Master Key
(1 episode)
2017
School 2017
Ra Eun-Ho · (16 episodes)
2017
I.O.I - "Time Slip" Concert
Sejeong
2017
Gugudan Project: Extreme School Trip
Herself · (5 episodes)
2016
The Sound of Your Heart
Woman next door in Room 205 · (1 episode)
2016
Let's Eat Dinner Together
Herself · (1 episode)
2016
What Are Gugudan Doing?
Kim Se-jeong · (28 episodes)
2016
어서옵SHOW
(1 episode)
2016
Standby I.O.I
Kim Se-jeong · (2 episodes)
2016
Produce 101
Herself · (1 episode)
2016
Men on a Mission
Self · (3 episodes)
2015
Two Yoo Project - Sugar Man
Herself · (1 episode)
2015
Home Alone
Self · (1 episode)
2013
K-pop Star
Self - Contestant · (22 episodes)
2011
SNL Korea
Self · (2 episodes)
2011
Law of the Jungle
(6 episodes)
2011
Running Man
(2 episodes)
2010
You Hee-yeol's Sketchbook
Self · (3 episodes)
2009
MBC Entertainment Awards
Self - MC · (2 episodes)
2001